CVE-2022-31630 (GCVE-0-2022-31630)

Vulnerability from cvelistv5 – Published: 2022-11-14 06:53 – Updated: 2024-08-03 07:26
VLAI?
Summary
In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information. 
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CWE
  • CWE-131 - Incorrect Calculation of Buffer Size
  • CWE-190 - Integer Overflow or Wraparound
Assigner
php
References
Impacted products
Vendor Product Version
PHP Group PHP Affected: 7.4.x , < 7.4.33 (custom)
Affected: 8.0.x , < 8.0.25 (custom)
Affected: 8.1.x , < 8.1.12 (custom)
Create a notification for this product.
Credits
cmb@php.net cmb@php.net
Show details on NVD website
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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